| 'use strict'; |
| var Buffer = require('../../').Buffer; |
| const common = require('./common'); |
| |
| |
| var assert = require('assert'); |
| var os = require('os'); |
| var SIZE = 28; |
| |
| var buf1 = Buffer.allocUnsafe(SIZE); |
| var buf2 = Buffer.allocUnsafe(SIZE); |
| |
| |
| // Default encoding |
| testBufs('abc'); |
| testBufs('\u0222aa'); |
| testBufs('a\u0234b\u0235c\u0236'); |
| testBufs('abc', 4); |
| testBufs('abc', 5); |
| testBufs('abc', SIZE); |
| testBufs('\u0222aa', 2); |
| testBufs('\u0222aa', 8); |
| testBufs('a\u0234b\u0235c\u0236', 4); |
| testBufs('a\u0234b\u0235c\u0236', 12); |
| testBufs('abc', 4, -1); |
| testBufs('abc', 4, 1); |
| testBufs('abc', 5, 1); |
| testBufs('\u0222aa', 2, -1); |
| testBufs('\u0222aa', 8, 1); |
| testBufs('a\u0234b\u0235c\u0236', 4, -1); |
| testBufs('a\u0234b\u0235c\u0236', 4, 1); |
| testBufs('a\u0234b\u0235c\u0236', 12, 1); |
| |
| |
| // UTF8 |
| testBufs('abc', 'utf8'); |
| testBufs('\u0222aa', 'utf8'); |
| testBufs('a\u0234b\u0235c\u0236', 'utf8'); |
| testBufs('abc', 4, 'utf8'); |
| testBufs('abc', 5, 'utf8'); |
| testBufs('abc', SIZE, 'utf8'); |
| testBufs('\u0222aa', 2, 'utf8'); |
| testBufs('\u0222aa', 8, 'utf8'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 'utf8'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 'utf8'); |
| testBufs('abc', 4, -1, 'utf8'); |
| testBufs('abc', 4, 1, 'utf8'); |
| testBufs('abc', 5, 1, 'utf8'); |
| testBufs('\u0222aa', 2, -1, 'utf8'); |
| testBufs('\u0222aa', 8, 1, 'utf8'); |
| testBufs('a\u0234b\u0235c\u0236', 4, -1, 'utf8'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 1, 'utf8'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 1, 'utf8'); |
| assert.equal(Buffer.allocUnsafe(1).fill(0).fill('\u0222')[0], 0xc8); |
| |
| |
| // BINARY |
| testBufs('abc', 'binary'); |
| testBufs('\u0222aa', 'binary'); |
| testBufs('a\u0234b\u0235c\u0236', 'binary'); |
| testBufs('abc', 4, 'binary'); |
| testBufs('abc', 5, 'binary'); |
| testBufs('abc', SIZE, 'binary'); |
| testBufs('\u0222aa', 2, 'binary'); |
| testBufs('\u0222aa', 8, 'binary'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 'binary'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 'binary'); |
| testBufs('abc', 4, -1, 'binary'); |
| testBufs('abc', 4, 1, 'binary'); |
| testBufs('abc', 5, 1, 'binary'); |
| testBufs('\u0222aa', 2, -1, 'binary'); |
| testBufs('\u0222aa', 8, 1, 'binary'); |
| testBufs('a\u0234b\u0235c\u0236', 4, -1, 'binary'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 1, 'binary'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 1, 'binary'); |
| |
| |
| // LATIN1 |
| testBufs('abc', 'latin1'); |
| testBufs('\u0222aa', 'latin1'); |
| testBufs('a\u0234b\u0235c\u0236', 'latin1'); |
| testBufs('abc', 4, 'latin1'); |
| testBufs('abc', 5, 'latin1'); |
| testBufs('abc', SIZE, 'latin1'); |
| testBufs('\u0222aa', 2, 'latin1'); |
| testBufs('\u0222aa', 8, 'latin1'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 'latin1'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 'latin1'); |
| testBufs('abc', 4, -1, 'latin1'); |
| testBufs('abc', 4, 1, 'latin1'); |
| testBufs('abc', 5, 1, 'latin1'); |
| testBufs('\u0222aa', 2, -1, 'latin1'); |
| testBufs('\u0222aa', 8, 1, 'latin1'); |
| testBufs('a\u0234b\u0235c\u0236', 4, -1, 'latin1'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 1, 'latin1'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 1, 'latin1'); |
| |
| |
| // UCS2 |
| testBufs('abc', 'ucs2'); |
| testBufs('\u0222aa', 'ucs2'); |
| testBufs('a\u0234b\u0235c\u0236', 'ucs2'); |
| testBufs('abc', 4, 'ucs2'); |
| testBufs('abc', SIZE, 'ucs2'); |
| testBufs('\u0222aa', 2, 'ucs2'); |
| testBufs('\u0222aa', 8, 'ucs2'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 'ucs2'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 'ucs2'); |
| testBufs('abc', 4, -1, 'ucs2'); |
| testBufs('abc', 4, 1, 'ucs2'); |
| testBufs('abc', 5, 1, 'ucs2'); |
| testBufs('\u0222aa', 2, -1, 'ucs2'); |
| testBufs('\u0222aa', 8, 1, 'ucs2'); |
| testBufs('a\u0234b\u0235c\u0236', 4, -1, 'ucs2'); |
| testBufs('a\u0234b\u0235c\u0236', 4, 1, 'ucs2'); |
| testBufs('a\u0234b\u0235c\u0236', 12, 1, 'ucs2'); |
| assert.equal(Buffer.allocUnsafe(1).fill('\u0222', 'ucs2')[0], |
| os.endianness() === 'LE' ? 0x22 : 0x02); |
| |
| |
| // HEX |
| testBufs('616263', 'hex'); |
| testBufs('c8a26161', 'hex'); |
| testBufs('61c8b462c8b563c8b6', 'hex'); |
| testBufs('616263', 4, 'hex'); |
| testBufs('616263', 5, 'hex'); |
| testBufs('616263', SIZE, 'hex'); |
| testBufs('c8a26161', 2, 'hex'); |
| testBufs('c8a26161', 8, 'hex'); |
| testBufs('61c8b462c8b563c8b6', 4, 'hex'); |
| testBufs('61c8b462c8b563c8b6', 12, 'hex'); |
| testBufs('616263', 4, -1, 'hex'); |
| testBufs('616263', 4, 1, 'hex'); |
| testBufs('616263', 5, 1, 'hex'); |
| testBufs('c8a26161', 2, -1, 'hex'); |
| testBufs('c8a26161', 8, 1, 'hex'); |
| testBufs('61c8b462c8b563c8b6', 4, -1, 'hex'); |
| testBufs('61c8b462c8b563c8b6', 4, 1, 'hex'); |
| testBufs('61c8b462c8b563c8b6', 12, 1, 'hex'); |
| |
| common.expectsError(() => { |
| const buf = Buffer.allocUnsafe(SIZE); |
| |
| buf.fill('yKJh', 'hex'); |
| }, { |
| code: 'ERR_INVALID_ARG_VALUE', |
| type: TypeError |
| }); |
| |
| common.expectsError(() => { |
| const buf = Buffer.allocUnsafe(SIZE); |
| |
| buf.fill('\u0222', 'hex'); |
| }, { |
| code: 'ERR_INVALID_ARG_VALUE', |
| type: TypeError |
| }); |
| |
| // BASE64 |
| testBufs('YWJj', 'ucs2'); |
| testBufs('yKJhYQ==', 'ucs2'); |
| testBufs('Yci0Ysi1Y8i2', 'ucs2'); |
| testBufs('YWJj', 4, 'ucs2'); |
| testBufs('YWJj', SIZE, 'ucs2'); |
| testBufs('yKJhYQ==', 2, 'ucs2'); |
| testBufs('yKJhYQ==', 8, 'ucs2'); |
| testBufs('Yci0Ysi1Y8i2', 4, 'ucs2'); |
| testBufs('Yci0Ysi1Y8i2', 12, 'ucs2'); |
| testBufs('YWJj', 4, -1, 'ucs2'); |
| testBufs('YWJj', 4, 1, 'ucs2'); |
| testBufs('YWJj', 5, 1, 'ucs2'); |
| testBufs('yKJhYQ==', 2, -1, 'ucs2'); |
| testBufs('yKJhYQ==', 8, 1, 'ucs2'); |
| testBufs('Yci0Ysi1Y8i2', 4, -1, 'ucs2'); |
| testBufs('Yci0Ysi1Y8i2', 4, 1, 'ucs2'); |
| testBufs('Yci0Ysi1Y8i2', 12, 1, 'ucs2'); |
| |
| |
| // Buffer |
| function deepStrictEqualValues(buf, arr) { |
| for (var [index, value] of buf.entries()) { |
| assert.deepStrictEqual(value, arr[index]); |
| } |
| } |
| |
| |
| var buf2Fill = Buffer.allocUnsafe(1).fill(2); |
| deepStrictEqualValues(genBuffer(4, [buf2Fill]), [2, 2, 2, 2]); |
| deepStrictEqualValues(genBuffer(4, [buf2Fill, 1]), [0, 2, 2, 2]); |
| deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, 3]), [0, 2, 2, 0]); |
| deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, 1]), [0, 0, 0, 0]); |
| deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, -1]), [0, 0, 0, 0]); |
| var hexBufFill = Buffer.allocUnsafe(2).fill(0).fill('0102', 'hex'); |
| deepStrictEqualValues(genBuffer(4, [hexBufFill]), [1, 2, 1, 2]); |
| deepStrictEqualValues(genBuffer(4, [hexBufFill, 1]), [0, 1, 2, 1]); |
| deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, 3]), [0, 1, 2, 0]); |
| deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, 1]), [0, 0, 0, 0]); |
| deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, -1]), [0, 0, 0, 0]); |
| |
| |
| // Check exceptions |
| assert.throws(() => buf1.fill(0, -1)); |
| assert.throws(() => buf1.fill(0, 0, buf1.length + 1)); |
| assert.throws(() => buf1.fill('', -1)); |
| assert.throws(() => buf1.fill('', 0, buf1.length + 1)); |
| assert.throws(() => buf1.fill('a', 0, buf1.length, 'node rocks!')); |
| assert.throws(() => buf1.fill('a', 0, 0, NaN)); |
| assert.throws(() => buf1.fill('a', 0, 0, null)); |
| assert.throws(() => buf1.fill('a', 0, 0, 'foo')); |
| |
| |
| function genBuffer(size, args) { |
| var b = Buffer.allocUnsafe(size); |
| return b.fill(0).fill.apply(b, args); |
| } |
| |
| |
| function bufReset() { |
| buf1.fill(0); |
| buf2.fill(0); |
| } |
| |
| |
| // This is mostly accurate. Except write() won't write partial bytes to the |
| // string while fill() blindly copies bytes into memory. To account for that an |
| // error will be thrown if not all the data can be written, and the SIZE has |
| // been massaged to work with the input characters. |
| function writeToFill(string, offset, end, encoding) { |
| if (typeof offset === 'string') { |
| encoding = offset; |
| offset = 0; |
| end = buf2.length; |
| } else if (typeof end === 'string') { |
| encoding = end; |
| end = buf2.length; |
| } else if (end === undefined) { |
| end = buf2.length; |
| } |
| |
| if (offset < 0 || end > buf2.length) |
| throw new RangeError('Out of range index'); |
| |
| if (end <= offset) |
| return buf2; |
| |
| offset >>>= 0; |
| end >>>= 0; |
| assert(offset <= buf2.length); |
| |
| // Convert "end" to "length" (which write understands). |
| var length = end - offset < 0 ? 0 : end - offset; |
| |
| var wasZero = false; |
| do { |
| var written = buf2.write(string, offset, length, encoding); |
| offset += written; |
| // Safety check in case write falls into infinite loop. |
| if (written === 0) { |
| if (wasZero) |
| throw new Error('Could not write all data to Buffer'); |
| else |
| wasZero = true; |
| } |
| } while (offset < buf2.length); |
| |
| // Correction for UCS2 operations. |
| if (os.endianness() === 'BE' && encoding === 'ucs2') { |
| for (var i = 0; i < buf2.length; i += 2) { |
| var tmp = buf2[i]; |
| buf2[i] = buf2[i + 1]; |
| buf2[i + 1] = tmp; |
| } |
| } |
| |
| return buf2; |
| } |
| |
| |
| function testBufs(string, offset, length, encoding) { |
| bufReset(); |
| buf1.fill.apply(buf1, arguments); |
| // Swap bytes on BE archs for ucs2 encoding. |
| assert.deepStrictEqual(buf1.fill.apply(buf1, arguments), |
| writeToFill.apply(null, arguments)); |
| } |
| |